237
FZUS51 KBOX 100205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 PM EDT THU JUL 9 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-101500-
1004 PM EDT THU JUL 9 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT APPROACHES THE WATERS LATE TONIGHT, FINALLY REACHING
THE SRN COASTAL WATERS BY FRI EVENING. HIGH PRES ARRIVES FROM SE
CANADA THIS WEEKEND AND LINGERS THROUGH EARLY NEXT WEEK.
ANZ250-101500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG WITH VSBY 1 TO 3 NM.
FRI
SW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT
AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND N 1 FOOT AT
3 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 10 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-101500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
PATCHY FOG WITH VSBY 1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 2 FT AT 4 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND N 1 FOOT
AT 2 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
6 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-101500-
CAPE COD BAY-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND S 2 FT AT
9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS WITH VSBY 1 TO
3 NM.
FRI
SW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
S WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS
AND NE 1 FOOT AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT AND SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN NIGHT
E WINDS AROUND 5 KT IN THE EVENING, BECOMING LIGHT
AND VARIABLE. SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND E 1 FOOT AT 8 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS
AROUND 2 FT.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-101500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING.
A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE
3 FT AT 8 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-101500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG AFTER
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S
4 FT AT 8 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-101500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
PATCHY FOG. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF SHOWERS,
THEN A CHANCE OF SHOWERS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 2 FT AT 6 SECONDS.
MON THROUGH TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
2 SECONDS.
TUE NIGHT
SW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-101500-
NANTUCKET SOUND-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND SE 1 FOOT AT 6 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 7 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
4 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-101500-
VINEYARD SOUND-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE
OF SHOWERS, THEN A CHANCE OF SHOWERS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND SE 1 FOOT
AT 11 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND NE 1 FOOT AT 2 SECONDS.
SAT NIGHT AND SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 6 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
8 SECONDS.
MON AND MON NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW 10 TO
15 KT. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-101500-
BUZZARDS BAY-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS. PATCHY FOG WITH
VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 6 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 6 SECONDS.
SAT NIGHT AND SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
2 FT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS, BECOMING N 1 FOOT AT
3 SECONDS AND S 1 FOOT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS AROUND 2 FT.
TUE AND TUE NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-101500-
RHODE ISLAND SOUND-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND S 3 FT AT
8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND TSTMS. VSBY
1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SUN AND SUN NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND N 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-101500-
BLOCK ISLAND SOUND-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 2 FT AT 9 SECONDS. PATCHY FOG. A SLIGHT CHANCE
OF TSTMS. A CHANCE OF SHOWERS, THEN A SLIGHT CHANCE OF SHOWERS
WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND W 1 FOOT AT
3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E 1 FOOT AT
3 SECONDS.
SUN AND SUN NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-101500-
BOSTON HARBOR-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
WAVES AROUND 2 FT. PATCHY FOG WITH VSBY 1 TO 3 NM.
FRI
W WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS
AND TSTMS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE MORNING.
FRI NIGHT
SE WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON THROUGH TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-101500-
NARRAGANSETT BAY-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
WAVES AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
TSTMS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SUN AND SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-101500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT.
GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF
SHOWERS WITH VSBY 1 TO 3 NM.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW
AROUND 5 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 3 SECONDS AND S 2 FT AT 6 SECONDS.
SAT NIGHT
NE WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 2 FT AT
9 SECONDS.
SUN AND SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND S 2 FT AT 7 SECONDS.
MON THROUGH TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-101500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E 3 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE MORNING. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
FRI NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG IN THE
EVENING. VSBY 1 NM OR LESS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND NE 2 FT AT 4 SECONDS.
MON THROUGH TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E 3 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-101500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE DETAIL:
S 3 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS WITH VSBY 1 NM OR LESS.
FRI
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 NM
OR LESS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SW 3 FT AT 7 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E
3 FT AT 7 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-101500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 PM EDT THU JUL 9 2026
OVERNIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF SHOWERS, THEN A
CHANCE OF SHOWERS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT
5 SECONDS AND NW 2 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING. A
CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR LESS IN
THE EVENING.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING.
SAT NIGHT THROUGH SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
MON THROUGH TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E
3 FT AT 7 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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